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A and B can complete a work in 20 days and 30 days respectively. If they work together for 10 days, how much of the work is left?

A. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics

If f(x) = 2x^3 - 3x^2 + 4x - 6, what is the remainder when f(x) is divided by x - 2?

C. 2
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

A person walks at a speed of 5 km/h. How long will it take him to walk 15 km?

B. 2.5 HOURS
Posted in:  Time, Distance and Speed -  Aptitude -  Mathematics

What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X
Posted in:  Basic Operations & Factorization -  Algebra -  Mathematics

For the quadratic equation 2x^2 - 8x + 6 = 0, what is the product of the roots?

A. 3
Posted in:  Quadratic Equations -  Algebra -  Mathematics